apt-get install "Failed to fetch" "404 Not Found" IP ...

[Albretch Mueller <lbrtchx@gmail.com>]

 For more than one good reason (among them an unreliable Internet
connection at times or simply not wanting to go online)

 I would like to run apt-get locally (or be able to functionally do
the same using dpkg or whatever). This is what I have in mind:

 1) use apt-get in simulate mode to know which files I need to install
and in what order

 2) fetch those files and keep them locally

 3) install them locally whenever I need to

 Most (all?) people simply go "sudo apt-get" under the assumption that
the back end repositories will be fine etc.

 Yes, I am trying to install stuff when I need it without having to
connect to the Internet

 How do you do this? What would be the pros and cons of doing things this way?

 lbrtchx